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【单选题】
君子兰不是兰科，而是石蒜科。( )A.
正确
B.
错误
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举一反三
【判断题】《西凉伎》诗中有着这样的描绘:“西凉伎,西凉伎,假面胡人假狮子。刻木为头丝作尾,金镀眼睛银帖齿。奋迅毛衣摆双耳,如从流沙来万里。”诗中描述的就是当时舞狮的情景。
A.
正确
B.
错误
【单选题】It’s Sunday morning. And it’s raining. My grandparents, my parents, my cousin and I are at home. What are my grandparents doing? Oh, my grandfather is reading a newspaper. My grandmother is watering t...
A.
Reading a newspaper.
B.
Watching TV.
C.
Cooking
D.
Writing an email.
【简答题】Read the passage and write T for true or F for false on the bank before each statement. Hi, I'm Jane.I'll tell you something about my son and my husband.My son is a 12-year-old boy named George, He's...
【单选题】My son is very good at ___________, and he plans to take up Mathematics for his major.
A.
figure
B.
figures
C.
photo
D.
photos
【判断题】《西凉伎》诗中有着这样的描绘：“西凉伎，西凉伎，假面胡人假狮子。刻木为头丝作尾，金镀眼睛银帖齿。奋迅毛衣摆双耳，如从流沙来万里。”诗中描述的就是当时舞狮的情景。
A.
正确
B.
错误
【简答题】蜂鸣器控制,使蜂鸣器以0.5Hz频率鸣叫。
【单选题】在25°C,1.00 g铝在常压下燃烧生成Al2O3,释放出30. 92 kJ的热,则Al2O3的标准摩尔生成焓为(铝的相对原子质量为27)
A.
30.92 kJ·mol-1
B.
-30.92 kJ·mol-1
C.
-27×30.92 kJ·mol-1
D.
-54×30.92 kJ·mol-1
【简答题】I am very _____(自豪)of my son who is good at many things.
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